177200725

素因数分解:

$5^2\times {\mathrm{13}}^2\times {\mathrm{41941}}^1$

素因数の和:41977

約数の個数: 18

約数和(自身を含む): 237936966

約数和(自身を除く): 60736241

約数列:

[1, 5, 13, 25, 65, 169, 325, 845, 4225, 41941, 209705, 545233, 1048525, 2726165, 7088029, 13630825, 35440145, 177200725]

約数ペア:

[(1, 177200725), (5, 35440145), (13, 13630825), (25, 7088029), (65, 2726165), (169, 1048525), (325, 545233), (845, 209705), (4225, 41941)]